ZyXEL SBG-3300 1.00(AADY.4)C0 loginMessage cross site scripting

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in ZyXEL SBG-3300 1.00(AADY.4)C0. The impacted element is an unknown function. Executing a manipulation of the argument loginMessage with the input <img src=x onerror=alert('XSS') /> can lead to cross site scripting. This vulnerability is handled as CVE-2014-7277. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in ZyXEL SBG-3300 1.00(AADY.4)C0 and classified as problematic. This vulnerability affects an unknown part. The manipulation of the argument loginMessage with the input value <img src=x onerror=alert('XSS') /> leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was released 10/03/2014 by Mirko Casadei as not defined posting (Bugtraq). The advisory is shared for download at archives.neohapsis.com. This vulnerability was named CVE-2014-7277 since 10/01/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by Mirko Casadei in HTML/Javascript and been published immediately after the advisory. It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 51 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (96891) and SecurityFocus (BID 70232†). Additional details are provided at packetstormsecurity.com. Entry connected to this vulnerability is available at VDB-67757. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

ZyXEL

Name

SBG-3300

Version

1.00(AADY.4)C0

License

commercial

Website

Vendor: https://www.zyxel.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Mirko Casadei
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

08/13/2014 🔍
08/13/2014 +0 days 🔍
10/01/2014 +49 days 🔍
10/03/2014 +2 days 🔍
10/03/2014 +0 days 🔍
10/03/2014 +0 days 🔍
10/04/2014 +1 days 🔍
10/10/2014 +6 days 🔍
02/21/2022 +2691 days 🔍